3. And now when you order a fancy imported beer, you’ll know what that drop catcher on the stem is called.

Once upon a time, sailor’s uniforms had a similar loop that they used to hang their shirts in the tight quarters of the ships they worked on. The trend caught on, and by the 1960s, many oxford shirts had similar loops.

5. The “F” and “J” keys have little bumps on them because they’re the orientation keys. If you’re trained in touch typing, you’ll know that your index fingers rest on those keys.

Getty Images

6. The plastic bits at the ends of your shoelaces are actually called aglets, but you can keep calling them “little plastic thingies” if you want.

Sebastian Fiebrig / BuzzFeed

7. Though there’s no consensus about what the divot in the bottom of a wine bottle is for, everyone agrees that it’s called a punt.